Elliptical exercise methods and apparatus
First Claim
Patent Images
1. An exercise apparatus, comprising:
- a frame having a base adapted to rest upon a floor surface, and a first end, and an opposite, second end;
a left crank and a right crank, wherein each said crank is rotatably mounted on the frame proximate the first end;
a left guide and a right guide, wherein each said guide is connected to the frame proximate the second end; and
a left foot linkage and a right foot linkage, wherein each said foot linkage includes a respective foot engaging portion, and each said foot linkage is movably interconnected between a respective crank and a respective guide in such a manner that each said foot engaging portion is movable through a generally elliptical path, and rotation of each said crank is directly linked to vertical displacement of each said foot engaging portion, and each said foot linkage includes a decoupling means for decoupling each said foot engaging portion from a respective crank, and a linking means for separately linking horizontal displacement of a respective foot engaging portion to rotation of a respective crank.
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Abstract
Various exercise apparatus have respective linkage assemblies which are movably mounted on a frame and link rotation of left and right cranks to elliptical movement of left and right foot supporting members. The linkage assemblies include separate linkage arrangements for horizontal and vertical displacement of the foot supporting members, and the linkage assemblies accommodate travel of the foot supporting members to positions laterally adjacent the cranks.
50 Citations
11 Claims
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1. An exercise apparatus, comprising:
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a frame having a base adapted to rest upon a floor surface, and a first end, and an opposite, second end; a left crank and a right crank, wherein each said crank is rotatably mounted on the frame proximate the first end; a left guide and a right guide, wherein each said guide is connected to the frame proximate the second end; and a left foot linkage and a right foot linkage, wherein each said foot linkage includes a respective foot engaging portion, and each said foot linkage is movably interconnected between a respective crank and a respective guide in such a manner that each said foot engaging portion is movable through a generally elliptical path, and rotation of each said crank is directly linked to vertical displacement of each said foot engaging portion, and each said foot linkage includes a decoupling means for decoupling each said foot engaging portion from a respective crank, and a linking means for separately linking horizontal displacement of a respective foot engaging portion to rotation of a respective crank. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification